Charging The Hydraulic System - Toro Sand Pro 3040 Operator's Manual

Charging the Hydraulic
System
Whenever a hydraulic component is repaired or
replaced, change the hydraulic filter and charge the
hydraulic system.
Ensure that the hydraulic reservoir and the filter are
filled with fluid at all times when charging the hydraulic
system.
1. Park the machine on a level surface, shut off the
engine, engage the parking brake, and remove
the key.
2. Loosen the 2 screws securing the center shroud
to the machine and remove the shroud
47).
Figure 47
1. Center shroud
3. Raise the front wheel and 1 of the rear wheels
off the floor and place support blocks under the
frame.
WARNING
The front wheel and 1 rear wheel must be
raised off the ground, or else the machine
will move during the adjustment. This
could cause the machine to fall and
injure someone under the machine.
Make sure that the machine is adequately
supported, with the front wheel and 1
rear wheel raised off the ground.
4. Start the engine and set the throttle to allow the
engine to run at approximately 1,800 rpm.
5. Actuate the lift-valve lever until the lift-cylinder
rod moves in and out several times. If the
cylinder rod does not move after 10 to 15
seconds or the pump emits abnormal sounds,
shut the engine off immediately and determine
the cause or problem. Inspect for the following:
•
Loose filter or suction lines
•
Loose or faulty coupler on the pump
•
Blocked suction line
•
Faulty charge-relief valve
•
Faulty charge pump
If the cylinder moves in 10 to 15 seconds,
proceed to step 6.
6. Operate the traction pedal in forward and
reverse. The wheels that are off the floor should
rotate in the proper direction.
•
If the wheels rotate in the wrong direction,
shut off the engine, remove the lines from the
(Figure
rear of the pump, and reverse the locations.
•
If the wheels rotate in the proper direction,
shut off the engine and adjust the
spring-adjusting pin locknut
Adjust the traction neutral position; refer
to
(page
g002727
1. Spring-adjusting pin
2. Bearing
7. Check the adjustment of the traction interlock
switch; refer to
Switch (page
8. Install the center shroud.
36
Adjusting the Traction Drive for Neutral
29).
Figure 48
3. Cam
Adjusting the Traction Interlock
30).
(Figure 48).
g027228